Sputtering device
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United States of America Patent
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N/A
Issued Date -
Aug 3, 2006
app pub date -
Sep 8, 2005
filing date -
Feb 1, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The present invention is to provide a sputtering device which can achieve film thickness distribution and coverage distribution desired at present in a simple constitution. Accordingly, the present invention is a sputtering device comprising at least; a substrate holder holding a substrate and revolving; sputtering cathode units each of which is provided with target for forming thin film on the substrate; driving arms for moving the sputtering cathode units arcuately to the substrate; and nozzle portions each of which is provided on the sputtering cathode unit so as to surround the target and has an opening facing to the substrate, wherein extending portions are provided on the opening of each nozzle portion so as to extend from both sides of the opening in moving direction of the sputtering cathode unit to a center portion of the opening, and the extending portions restrict sputtering particles before and behind the moving direction of the sputtering cathode unit.
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